(19)

(11)

EP 1 107 803 A1

(12)

(43) Date of publication: 20.06.2001 Bulletin 2001/25 (21) Application number: 99940393.4 (22) Date of filing: 23.08.1999

(51) International Patent Classification (IPC)7: A61M 1/06 (86) International application number: PCT/GB9902/780 (87) International publication number: WO 0010/625 (02.03.2000 Gazette 2000/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 24.08.1998 GB 9818448 (71) Applicant: CANNON RUBBER LIMITED TottenhamLondon N17 9LH (GB)	(72) Inventors: ATKIN, Edward Hampstead,London NW3 (GB) WILLIAMS, Roger, Leonard Broxbourne,Herts. EN10 7NB (GB) (74) Representative: Woodward, John Calvin et al Venner Shipley & Co.20 Little Britain London EC1A 7DH London EC1A 7DH (GB)